Boy blacksmith has been printing things with his 3D printer. He is headed off to college and could use some cash. I posted one of his projects for his cousin's wedding... the parts to make card wickets for an alice in wonderland red queen croquet set. A few people who have seen them said they might be interested in purchasing them. We know what it costs in terms of time and materials to produce them. What we don't know is what people would be willing to pay for them.

Here is the link to the original post. He is now printing them in black and red as well as white.

That is part of the question. It takes a long time to print them so a full croquet set represents a pretty big investment. But I don't know if some one would want just one or a smaller set. What do you think?

If they're a big investment, you'll never stay motivated to make more of them without getting a good profit plus something for your trouble. Forget about "what people are willing to pay". In general, people are cheap or they exaggerate their interest level; you say you know the cost of it in time and materials, well, that's your starting price.

Don't undersell yourself in terms of labor and materials. If you're concerned about a full set being a large investment, offer a half set as well, or even a quarter set. Someone may love them enough to buy half now, and the other half in 6 months, but might feel discouraged to purchase if they are only offered the full set to purchase.